Home / 218,997.96-302,108.54-141,446.94

Finding the Fourth Proportional to 218,997.96, 302,108.54 and 141,446.94

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Solution

The fourth proportional to 218,997.96, 302,108.54 and 141,446.94 is: 195,126.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,997.96 : 302,108.54 = 141,446.94 : x
  2. Step 2: Convert to fraction form
    218,997.96/302,108.54 = 141,446.94/x
  3. Step 3: Cross multiply
    218,997.96x = 302,108.54 × 141,446.94
  4. Step 4: Simplify right side
    218,997.96x = 42,732,328,530.87
  5. Step 5: Solve for x
    x = 42,732,328,530.87/218,997.96
  6. Step 6: Final answer
    x = 195,126.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.